package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/**
 * 指定DELETE语句
 */
public class JDBCDemo10 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection();){
            connection.setAutoCommit(false);

            String sql = "DELETE FROM user WHERE id=?";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setInt(1,2);
            int num = ps.executeUpdate();
            System.out.println(num>0?"删除成功":"删除失败");

//            connection.rollback();
            connection.commit();

        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}









